Kuytun or Kuitun is a county-level city with about 285,000 residents (2000 census) in Ili Kazakh Autonomous Prefecture, Xinjiang, China. Kuitun is located between Wusu and Shihezi on the railway from Ürümqi to Kazakhstan, close to a desert.
The city was historically associated with the XPCC Seventh Agricultural Division of Xinjiang Production and Construction Corps, which had run it until 1975, and still continues to administer the city's Tianbei New District.
Local industries include food processing and textile industries, as well as Kuitun Power Plant.
Kuytun （also transcribed Kuitun) is a county-level city of the Ili Kazakh Autonomous Prefecture, Xinjiang, China.
Kuytun or Kuitun may also refer to:
- Kuytun, Russia, name of several inhabited localities in Russia
- Mt Kuitun (Kuitunshan, 奎屯山), the western tripoint of the borders of Russia, China, and Mongolia (see Mongolia–Russia_border#Tripoints)